Champion Copper Plus Spark Plugs J12YC For Harley Big Twin 1948-1974

Name: Champion Copper Plus Spark Plugs J12YC For Harley Big Twin 1948-1974
Brand: Champion
SKU: 10223509
Price: 4.95 USD
Availability: InStock
Rating: 4.80 (172 reviews)

Item: P998321

172 Read 172 Reviews Write a Review

Champion Copper Plus Spark Plugs feature a wider base insulator to promote heat transfer and a longer insulator nose with a pure copper electrode that… Read More

Spark Plugs 101, Reading and Gapping : Pro Tip

Champion Copper Plus Spark Plugs J12YC For Harley Big Twin 1948-1974

Fullscreen Zoom

$4^.⁹⁵

Rebate Available! View Details

Make Sure it Fits Select a Vehicle

Size: J12YC Select a Size

Military and First Responder Discount

Spark Plugs 101, Reading and Gapping : Pro Tip

Product Details

Product Description

Part Numbers

Fitment

Champion Copper Plus Spark Plugs

Champion Copper Plus Spark Plugs feature a wider base insulator to promote heat transfer and a longer insulator nose with a pure copper electrode that resists fouling by transferring heat between firings.

Features:

Dependable and durable
Built to ISO and SAE standards for proven performance
Patented SAC-9 semi-conductor resistor for maximum EMI & RFI suppression
Copper core center electrode allows for accurate control of heat range for longer life
TinTac and ULTRASEAL shell for best corrosion protection of any spark plug in the industry
Features include a wider-base insulator which provides an easier path to speed the transfer of heat
Replaces OEM 3-4
Sold Each

Product Style	J&P Cycles Item #	Catalog Number	Store Sku	MFR. Product #	Availability
Product Style J12YC	J&P Cycles Item #10223509	Catalog Number381-311	Store Sku208810	MFR. Product #J12YC/J-12-YC	AvailabilityIn Stock: Ships within 24 hours

This product is vehicle specific.

Select a vehicle to ensure fitment.

Select Your Vehicle

This Product Fits

Harley Davidson: E 1948, 1949, 1950; EL 1948, 1949, 1950, 1951, 1952; F 1948, 1949, 1950; FL 1948-1965; FLF 1953-1964; FLFB 1965, 1966, 1967, 1968, 1969; FLH 1955-1974; FLHB 1965, 1966, 1967, 1968, 1969; FLHF 1955-1972; FLHFB 1965, 1966, 1967, 1968, 1969; Super Glide FX 1971, 1972, 1973, 1974; Super Glide FXE 1974

This item is also available for 173 different vehicles. View All Models

Harley Davidson: Dyna Convertible FXDS 1994-1998; Dyna Convertible FXDS 1999-2000; Dyna Fat Bob CVO/SE FXDFSE 2009-2010; Dyna Fat Bob FXDF 2008-2017; Dyna Glide Custom FXDC 1992; Dyna Glide Daytona FXDB-D 1992; Dyna Glide Sturgis FXDB-S 1991; Dyna Low Rider FXDL/I 1993-1998; Dyna Low Rider FXDL/I 1999-2017; Dyna Low Rider S FXDLS 2016-2017; Dyna Street Bob FXDB/I 2006-2017; Dyna Super Glide Custom FXDC/I 2005-2014; Dyna Super Glide CVO/SE FXDSE 2007; Dyna Super Glide CVO/SE FXDSE2 2008; Dyna Super Glide FXD/I 1995-1998; Dyna Super Glide FXD/I 1999-2010; Dyna Super Glide Sport FXDX 1999-2005; Dyna Super Glide Sport Touring FXDXT 2001-2003; Dyna Switchback FLD 2012-2016; Dyna Wide Glide CVO/SE FXDWG2 2001; Dyna Wide Glide CVO/SE FXDWG3 2002; Dyna Wide Glide FXDWG/I 1993-1998; Dyna Wide Glide FXDWG/I 1999-2017; Electra Glide Classic FLHC 1979-1981; Electra Glide Classic FLHTC/I 1985-1998; Electra Glide Classic FLHTC/I 1999-2013; Electra Glide CVO/SE FLHTCSE 2004; Electra Glide CVO/SE FLHTCSE2 2005; Electra Glide Sport FLHS 1977-1993; Electra Glide Standard FLHT/I 1985-1998; Electra Glide Standard FLHT/I 1999-2009; Electra Glide Ultra Classic FLHTCU/I 1989-1998; Electra Glide Ultra Classic FLHTCU/I 1999-2016; Electra Glide Ultra Classic Low FLHTCUL 2015-2016; Electra Glide Ultra Limited CVO/SE FLHTKSE 2014-2016; Electra Glide Ultra Limited FLHTK 2010-2016; Electra Glide Ultra Limited Low FLHTKL 2015-2016; Fat Bob FXEF 1979-1985; FLH 1975-1985; Freewheeler FLRT 2015-2016; FXR2 CVO/SE 1999; FXR3 CVO/SE 1999; FXR4 CVO/SE 2000; KHRTT 1957; KR 1957-1964; KRTT 1957-1963; Low Glide/Low Rider FXRS 1985-1993; Low Rider Chrome FXRC 1985-1988; Low Rider Custom FXLR 1987-1994; Low Rider FXS 1977-1981; Low Rider Sport FXRS-SP 1987-1993; Road Glide Custom FLTRX 2010-2013; Road Glide CVO/SE FLTRSE3 2009; Road Glide CVO/SE FLTRSEI2 2001; Road Glide CVO/SE FLTRXSE 2012-2013; Road Glide FLTR/I 1998; Road Glide FLTR/I 1999-2009; Road Glide FLTRX 2015-2016; Road Glide SE FLTRSEI 2000; Road Glide Special FLTRXS 2015-2016; Road Glide Ultra CVO/SE FLTRUSE 2011-2016; Road Glide Ultra FLTRU 2011-2016; Road King Classic FLHRC/I 1998; Road King Classic FLHRC/I 1999-2013; Road King Custom FLHRS/I 2004-2007; Road King CVO/SE FLHRSE3 2007; Road King CVO/SE FLHRSE4 2008; Road King CVO/SE FLHRSE5 2013; Road King CVO/SE FLHRSE6 2014; Road King CVO/SE FLHRSEI 2002; Road King CVO/SE FLHRSEI2 2003; Road King FLHR/I 1994-1998; Road King FLHR/I 1999-2016; Softail Bad Boy Springer FXSTSB 1995-1997; Softail Blackline FXS 2011-2013; Softail Breakout CVO/SE FXSBSE 2013-2014; Softail Breakout FXSB 2013-2017; Softail Convertible CVO/SE FLSTSE 2010; Softail Convertible CVO/SE FLSTSE2 2011; Softail Convertible CVO/SE FLSTSE3 2012; Softail Cross Bones Springer FLSTSB 2008-2011; Softail Custom FXSTC/I 1986-1999; Softail Custom FXSTC/I 2007-2010; Softail Deluxe CVO/SE FLSTNSE 2014-2015; Softail Deluxe FLSTN/I 2005-2017; Softail Deuce CVO/SE FXSTDSE 2003; Softail Deuce CVO/SE FXSTDSE2 2004; Softail Deuce FXSTD/I 1999; Softail Deuce FXSTD/I 2000-2007; Softail Fat Boy CVO/SE FLSTFSE 2005; Softail Fat Boy CVO/SE FLSTFSE2 2006; Softail Fat Boy FLSTF/I 1990-1999; Softail Fat Boy FLSTF/I 2000-2017; Softail Fat Boy Lo FLSTFB 2010-2016; Softail Fat Boy S FLSTFBS 2016-2017; Softail Heritage Classic FLSTC/I 1987-1999; Softail Heritage Classic FLSTC/I 2000-2017; Softail Heritage FLST/I 1986-1990; Softail Heritage FLST/I 2006; Softail Heritage Springer FLSTS/I 1997-1999; Softail Heritage Springer FLSTS/I 2000-2003; Softail Night Train FXSTB/I 1999; Softail Night Train FXSTB/I 2000-2009; Softail Nostalgia FLSTN/I 1993; Softail Pro Street Breakout CVO/SE FXSE 2016-2017; Softail Rocker C FXCWC 2007-2011; Softail Rocker FXCW 2008-2011; Softail Slim FLS 2012-2017; Softail Slim S FLSS 2016-2017; Softail Special FLSTN/I 1994-1996; Softail Springer Classic FLSTSC/I 2005-2007; Softail Springer CVO/SE FXSTSSE 2007; Softail Springer CVO/SE FXSTSSE2 2008; Softail Springer CVO/SE FXSTSSE3 2009; Softail Springer FXSTS/I 1988-1999; Softail Springer FXSTS/I 2000-2006; Softail Standard FXST/I 1984-1999; Softail Standard FXST/I 2000-2012; Sport Glide FXRT 1985-1992; Sport Glide Grand Touring FXRD 1986; Sportster Custom XL1200C 1996-2019; Sportster Custom XL883C 1998-2009; Sportster Deluxe XLH883DLX 1989-1992; Sportster Forty-Eight Special XL1200XS 2018-2019; Sportster Forty-Eight XL1200X 2010-2022; Sportster Hugger XLH883HUG 1988-2003; Sportster Iron XL1200NS 2018-2021; Sportster Iron XL883N 2009-2022; Sportster Low/SuperLow XL883L 2005-2019; Sportster Low XL1200L 2006-2011; Sportster Nightster XL1200N 2007-2012; Sportster Roadster XL1200CX 2016-2020; Sportster Roadster XL1200R 2004-2008; Sportster Roadster XL883R 2002-2012; Sportster Seventy-Two XL1200V 2012-2016; Sportster Sport XL1200S 1996-2003; Sportster SuperLow XL1200T 2014-2017; Sportster XL883 2004-2009; Sportster XLH1100 1986-1987; Sportster XLH1200 1988-2003; Sportster XLH883 1986-2003; Street Glide CVO/SE FLHXSE 2010-2016; Street Glide CVO/SE FLHXSE2 2011; Street Glide CVO/SE FLHXSE3 2012; Street Glide FLHX/I 2006-2016; Street Glide Special FLHXS 2014-2016; Street Glide Trike FLHXXX 2010-2011; Sturgis FXB 1980-1981; Super Glide FX 1975-1979; Super Glide FXE 1975-1985; Super Glide FXR 1986-1994; Tour Glide Classic FLTC/I 1979-1991; Tour Glide FLT 1979-1986; Tour Glide Ultra Classic FLTCU/I 1989-1996; Tri Glide Ultra Classic FLHTCUTG 2009-2016; Ultra Classic Electra Glide CVO/SE FLHTCUSE 2006; Ultra Classic Electra Glide CVO/SE FLHTCUSE2 2007; Ultra Classic Electra Glide CVO/SE FLHTCUSE3 2008; Ultra Classic Electra Glide CVO/SE FLHTCUSE4 2009; Ultra Classic Electra Glide CVO/SE FLHTCUSE5 2010; Ultra Classic Electra Glide CVO/SE FLHTCUSE6 2011; Ultra Classic Electra Glide CVO/SE FLHTCUSE7 2012; Ultra Classic Electra Glide CVO/SE FLHTCUSE8 2013; Wide Glide FXWG 1980-1986; XL 1957-1978; XLCH 1958-1978; XLCR Café Racer 1977-1978; XLH1000 1972-1978; XLH900 1957-1971; XLR 1959-1960; XLRTT 1958-1966; XLT 1977-1978; XR1200/XR1200X 2008-2012

Product Description

Part Numbers

Fitment

172 Customer Reviews

172 5/5

0 Questions & 0 Answers

Reviews & Questions

172 Customer Reviews

0 Questions & 0 Answers

$39.99/yr.

Spend Less. Ride More.

5% RPM Cash Back*
10% Off Over 70 Brands
$15 in RPM Cash When You Join
Free 2-Day Shipping & Free Returns*
And more!

Become a member today! Add RPM to cart

By purchasing and enrolling in Riders Preferred Membership, you agree to the Program Terms and Conditions. *Some exclusions apply: 10% RPM discount applies on full price and sale price Exclusive Brands. 10% RPM discount applies on additional select brands at full price. Exclusions apply. RPM free 2-day shipping applies on qualifying items, contiguous U.S. only. Not available for AK, HI, or U.S. Territories. View shipping policies. RPM free returns apply on qualifying items and are processed on standard return timeline, contiguous U.S. only. View return policy.